[Bug 28860] New: [r300g] Yo Frankie crash: assertion failure / Too many hardware temporaries used

[Bug 28860] New: [r300g] Yo Frankie crash: assertion failure / Too many hardware temporaries used

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https://bugs.freedesktop.org/show_bug.cgi?id=28860

           Summary: [r300g] Yo Frankie crash: assertion failure / Too many
                    hardware temporaries used
           Product: Mesa
           Version: git
          Platform: Other
               URL: http://www.yofrankie.org/
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/r300
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: sa@whiz.se


The game "Yo Frankie" crashes if run with shaders turned on:

r300 FP: Compiler Error:
Too many hardware temporaries usedUsing a dummy shader instead.
If there's an 'unknown opcode' message, please file a bug report and attach
this
 log.
[...]
yofrankie-linux-i386.bin: state_tracker/st_mesa_to_tgsi.c:181: dst_register:
Assertion `t->outputMapping[index] <
(sizeof(t->outputs)/sizeof(*(t->outputs)))' failed.

I'm attaching a log captured with RADEON_DEBUG="fp".

System environment:
-- system architecture: 32-bit
-- Linux distribution: Debian unstable
-- GPU: RV570
-- Model: Asus EAX1950Pro 256MB
-- Display connector: DVI

-- xf86-video-ati: 801e83227a59a29eea425ea612083bbf2b536c30
-- xserver: 1.8.1.901
-- mesa: 75acb896c6da758d03e86f8725d6ca0cb2c6ad82
-- drm: 6ea2bda5f5ec8f27359760ce580fdad3df0464df
-- kernel: 2.6.35-rc3

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[Bug 28860] [r300g] Yo Frankie crash: assertion failure / Too many hardware temporaries used

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--- Comment #1 from Sven Arvidsson <sa@whiz.se> 2010-06-30 13:03:51 PDT ---
Log was too large to attach, so here it is instead:
http://whiz.se/temp/yofrankie-fp.log.gz

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--- Comment #2 from Sven Arvidsson <sa@whiz.se> 2010-06-30 13:07:55 PDT ---
dmesg output:

[30481.511833] [drm:r100_cs_track_check] *ERROR* [drm] Buffer too small for
color buffer 0 (need 1310720 have 1228800) !
[30481.511837] [drm:r100_cs_track_check] *ERROR* [drm] color buffer 0 (640 4 0
512)
[30481.511839] [drm:radeon_cs_ioctl] *ERROR* Invalid command stream !
[30481.858013] [drm:r100_cs_track_check] *ERROR* [drm] Buffer too small for
color buffer 0 (need 1310720 have 1228800) !
[30481.858017] [drm:r100_cs_track_check] *ERROR* [drm] color buffer 0 (640 4 0
512)
[30481.858019] [drm:radeon_cs_ioctl] *ERROR* Invalid command stream !

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[Bug 28860] [r300g] Yo Frankie crash: assertion failure / Too many hardware temporaries used

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--- Comment #3 from Pavel Ondračka <drakkk@centrum.cz> 2010-07-02 13:40:49 PDT ---
(In reply to comment #0)
> yofrankie-linux-i386.bin: state_tracker/st_mesa_to_tgsi.c:181: dst_register:
> Assertion `t->outputMapping[index] <
> (sizeof(t->outputs)/sizeof(*(t->outputs)))' failed.

This looks similar to bug 28169, should be fixed with commit
6e83420ee0ccb2228fab0f86a6e8bf8a6aefe57a

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[Bug 28860] [r300g] Yo Frankie crash: assertion failure / Too many hardware temporaries used

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--- Comment #4 from Sven Arvidsson <sa@whiz.se> 2010-07-02 15:22:54 PDT ---
Created an attachment (id=36701)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36701)
Backtrace of crash

(In reply to comment #3)
> 
> This looks similar to bug 28169, should be fixed with commit
> 6e83420ee0ccb2228fab0f86a6e8bf8a6aefe57a

Still crashes with the same assertion failure. I'm attaching a backtrace.

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Sven Arvidsson <sa@whiz.se> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #36701|0                           |1
        is obsolete|                            |

--- Comment #5 from Sven Arvidsson <sa@whiz.se> 2010-07-08 14:50:51 PDT ---
Created an attachment (id=36892)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36892)
Yo Frankie screenshot

Now using git master 61a26cdfdc9c75a83c0d362c973d5436fe077be4 it no longer
crashes, but the game does look kinda trippy ;-)

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[Bug 28860] [r300g] Yo Frankie - shaders not working: Too many instructions

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Sven Arvidsson <sa@whiz.se> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[r300g] Yo Frankie crash:   |[r300g] Yo Frankie -
                   |assertion failure / Too     |shaders not working: Too
                   |many hardware temporaries   |many instructions
                   |used                        |

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--- Comment #6 from Tom Stellard <tstellar@gmail.com> 2010-07-08 23:24:11 PDT ---
Can you post the output with RADEON_DEBUG=fp from the most recent git version.

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--- Comment #7 from Sven Arvidsson <sa@whiz.se> 2010-07-09 06:46:32 PDT ---
(In reply to comment #6)
> Can you post the output with RADEON_DEBUG=fp from the most recent git version.

Sure, here's a new log from git master 8a8e311d8c3c60982d101826a4aa013672730e6c
http://whiz.se/temp/yofrankie-fp.log.gz

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--- Comment #8 from Tom Stellard <tstellar@gmail.com> 2010-07-10 13:11:05 PDT ---
Created an attachment (id=36940)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36940)
Failing shaders

I pulled 1 of the 3 failing shaders from the error log.  If you have some
familiarity with assembly code, you can look through the log and try to find
optimization opportunities that would reduce the number of instructions we need
to emit.  This would be very helpful. I would recommend looking at the code
after the dataflow passes, because at this point most of our optimizations have
already been done.  If you are unsure of what the instructions do, their
definitions are in this file:
src/mesa/drivers/dri/r300/compiler/radeon_opcodes.h

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--- Comment #9 from Sven Arvidsson <sa@whiz.se> 2010-07-11 10:05:51 PDT ---
(In reply to comment #8)
> 
> I pulled 1 of the 3 failing shaders from the error log.  If you have some
> familiarity with assembly code, you can look through the log and try to find
> optimization opportunities that would reduce the number of instructions we need
> to emit.  This would be very helpful. I would recommend looking at the code
> after the dataflow passes, because at this point most of our optimizations have
> already been done.  If you are unsure of what the instructions do, their
> definitions are in this file:
> src/mesa/drivers/dri/r300/compiler/radeon_opcodes.h

Thanks for having a look at the bug! Unfortunately I don't think I can be of
much help, this sounds like something well above my meager skills.

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--- Comment #10 from Tom Stellard <tstellar@gmail.com> 2010-07-13 23:10:59 PDT ---
Created an attachment (id=37010)
 View: https://bugs.freedesktop.org/attachment.cgi?id=37010
 Review: https://bugs.freedesktop.org/review?bug=28860&attachment=37010

Hacked together presubtract support

Can you try again with this patch applied to master and post the output with
RADEON_DEBUG=fp.  Also, if you notice anything new that this patch breaks, let
me know.

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Sven Arvidsson <sa@whiz.se> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #36892|0                           |1
        is obsolete|                            |

--- Comment #11 from Sven Arvidsson <sa@whiz.se> 2010-07-14 12:37:34 PDT ---
Created an attachment (id=37050)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=37050)
Yo Frankie screenshot

Awesome, thanks for taking an interest!

It's still not working correctly, I'm attaching a new screenshot. I'm also
getting these errors now:

 radeon: The kernel rejected CS, see dmesg for more information.

 Jul 14 21:28:43 zoe kernel: [21717.383601] [drm:r100_cs_track_check] *ERROR*
[drm] Buffer too small for color buffer 0 (need 1310720 have 1228800) !
 Jul 14 21:28:43 zoe kernel: [21717.383605] [drm:r100_cs_track_check] *ERROR*
[drm] color buffer 0 (640 4 0 512)
 Jul 14 21:28:43 zoe kernel: [21717.383607] [drm:radeon_cs_ioctl] *ERROR*
Invalid command stream !

The log file at http://whiz.se/temp/yofrankie-fp.log.gz has been updated.

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--- Comment #12 from Marek Olšák <maraeo@gmail.com> 2010-07-14 22:46:06 PDT ---
If you revert 8c836f7f740c6f74511c727c7bed0680ddba9974, do those messages go
away?

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--- Comment #13 from Sven Arvidsson <sa@whiz.se> 2010-07-15 04:58:11 PDT ---
(In reply to comment #12)
> If you revert 8c836f7f740c6f74511c727c7bed0680ddba9974, do those messages go
> away?

No, no difference.

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--- Comment #14 from Tom Stellard <tstellar@gmail.com> 2010-08-19 07:25:01 PDT ---
Can you try again with the latest git version and post the output of
RADEON_DEBUG=fp.

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Tom Stellard <tstellar@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rubenf3000@gmail.com

--- Comment #15 from Tom Stellard <tstellar@gmail.com> 2010-08-20 06:55:03 PDT ---
*** Bug 29683 has been marked as a duplicate of this bug. ***

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--- Comment #16 from Rubén Fernández <rubenf3000@gmail.com> 2010-08-20 22:48:14 PDT ---
Created an attachment (id=38035)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38035)
Log produced with RADEON_DEBUG=fp

There you go. Created with a RV505 (Radeon X1550) with the latest git (as of
commit 0eac4b8740d4434037677166f2339e894d4ebac4 "evergreen : initial support
driver code.")

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--- Comment #17 from Rubén Fernández <rubenf3000@gmail.com> 2010-09-04 03:44:48 PDT ---
The situation with yo frankie has improved somewhat with the most recent
builds; my guess is that commit a35faa6a41eb8a240f8e6086853653e9a21e75bd
helped, since it reduced considerably the number of instructions generated by
the IR generator

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--- Comment #18 from Rubén Fernández <rubenf3000@gmail.com> 2010-09-04 03:45:57 PDT ---
Created an attachment (id=38425)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38425)
Improved screenshot

This screenshot shows the status as of september 4

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--- Comment #19 from Rubén Fernández <rubenf3000@gmail.com> 2010-09-04 03:47:40 PDT ---
Created an attachment (id=38426)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38426)
Improved log with RADEON_DEBUG=fp

This log was too long to attach; I'll upload it in two parts; just join them
with "cat" in order to obtain a bzip2-compressed text file

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--- Comment #20 from Rubén Fernández <rubenf3000@gmail.com> 2010-09-04 03:48:45 PDT ---
Created an attachment (id=38427)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38427)
Improved log with RADEON_DEBUG=fp, part 2

"cat" it with part 1 to obtain yofrankie-debug-fp-improved.txt.bz2

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--- Comment #21 from Tom Stellard <tstellar@gmail.com> 2010-09-07 22:23:35 PDT ---
Can you try again with the presub-rebase-v2 branch from
git://anongit.freedesktop.org/~tstellar/mesa and post the output of
RADEON_DEBUG=fp and a screenshot.

To test this branch from your mesa git directory do:

git fetch git://anongit.freedesktop.org/~tstellar/mesa
presub-rebase-v2:presub-rebase-v2

git checkout presub-rebase-v2

Then configure and build like normal.

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--- Comment #22 from Sven Arvidsson <sa@whiz.se> 2010-09-08 06:58:31 PDT ---
Created an attachment (id=38549)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38549)
Screenshot with presub

(In reply to comment #21)
> Can you try again with the presub-rebase-v2 branch from
> git://anongit.freedesktop.org/~tstellar/mesa and post the output of
> RADEON_DEBUG=fp and a screenshot.
> 

I'm attaching a new screenshot, log is too big to attach so it's available
here:
http://www.whiz.se/temp/log.gz

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--- Comment #23 from Rubén Fernández <rubenf3000@gmail.com> 2010-09-08 15:56:04 PDT ---
Created an attachment (id=38568)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38568)
Screenshot with the "presub" branch

Your branch seems to improve some things (the tree trunk now looks OK) and
break others (the water and the main character look wrong); in any case, I'll
keep your branch on speed dial if you need me to test anything.

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--- Comment #24 from Rubén Fernández <rubenf3000@gmail.com> 2010-09-08 15:57:15 PDT ---
Created an attachment (id=38569)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38569)
Log generated with RADEON_DEBUG=fp, part 1

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--- Comment #25 from Rubén Fernández <rubenf3000@gmail.com> 2010-09-08 15:58:39 PDT ---
Created an attachment (id=38570)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38570)
38569: Log generated with "presub" branch and RADEON_DEBUG=fp, part 2

join with part 1 to get yofrankie-presub.txt.bz2

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Matt Turner <mattst88@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Drivers/DRI/r300            |Drivers/Gallium/r300

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--- Comment #26 from Marek Olšák <maraeo@gmail.com> 2010-11-13 12:36:27 PST ---
Is this still an issue with current mesa git?

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--- Comment #27 from Sven Arvidsson <sa@whiz.se> 2010-11-15 06:02:45 PST ---
(In reply to comment #26)
> Is this still an issue with current mesa git?

The game segfaults with current git. I'll try to bisect and file a new bug for
this regression.

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--- Comment #28 from Rubén Fernández <rubenf3000@gmail.com> 2010-11-15 18:23:31 PST ---
(In reply to comment #26)
> Is this still an issue with current mesa git?

As of commit c1928c7f1065876345d00477eac5558f4cf85158, I still get incorrect
rendering; I'll attach a screenshot

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[Bug 28860] [r300g] Yo Frankie - shaders not working: Too many instructions

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https://bugs.freedesktop.org/show_bug.cgi?id=28860

--- Comment #29 from Rubén Fernández <rubenf3000@gmail.com> 2010-11-15 18:25:27 PST ---
Created an attachment (id=40301)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=40301)
Status as of commit c1928c7f1065876345d00477eac5558f4cf85158

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[Bug 28860] [r300g] Yo Frankie - shaders not working: Too many instructions

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https://bugs.freedesktop.org/show_bug.cgi?id=28860

--- Comment #30 from Tom Stellard <tstellar@gmail.com> 2010-11-21 21:50:15 PST ---
Can you try this again with the latest git master?

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[Bug 28860] [r300g] Yo Frankie - shaders not working: Too many instructions

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https://bugs.freedesktop.org/show_bug.cgi?id=28860

--- Comment #31 from Rubén Fernández <rubenf3000@gmail.com> 2010-11-22 11:47:25 PST ---
(In reply to comment #30)
> Can you try this again with the latest git master?

A dramatic improvement! Now it is almost completely correct; the only
misrenderings I can see (I'll attach a screenshot) are:

1) you can see the triangle edges in the main character, and
2) his shadow is completely black (should show the ground texture, only
darker).

And I still get the "too many instructions" errors:

r300 FP: Compiler Error:
emit_tex: Too many instructionsUsing a dummy shader instead.
r300 FP: Compiler Error:
r500_fragprog_emit.c::emit_paired(): emit_alu: Too many instructions
Using a dummy shader instead.
r300 FP: Compiler Error:
r500_fragprog_emit.c::emit_paired(): emit_alu: Too many instructions
Using a dummy shader instead.

Don't know if they have to do with this remaining misrenderings, tho.

Plus, it takes two full minutes to compile the shaders before starting the
game; but that's an optimization problem, not of functionality.

But, all in all, the game works almost perfectly now. I think we are almost
ready to close this bug.

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[Bug 28860] [r300g] Yo Frankie - shaders not working: Too many instructions

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https://bugs.freedesktop.org/show_bug.cgi?id=28860

--- Comment #32 from Rubén Fernández <rubenf3000@gmail.com> 2010-11-22 11:49:15 PST ---
Created an attachment (id=40483)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=40483)
With Tom Stellard's most recent patches

Compare with https://bugs.freedesktop.org/attachment.cgi?id=38000, the correct
rendering

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[Bug 28860] [r300g] Yo Frankie - shaders not working: Too many instructions

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https://bugs.freedesktop.org/show_bug.cgi?id=28860

--- Comment #33 from Marek Olšák <maraeo@gmail.com> 2010-11-22 13:14:39 PST ---
1) I guess the reason the shadow is black is we don't implement
GL_ARB_shadow_ambient. With the driver which can render the shadow correctly,
try to set this environment variable:

MESA_EXTENSION_OVERRIDE=-GL_ARB_shadow_ambient

to temporarily disable GL_ARB_shadow_ambient, and see if the shadow becomes
black.

2) I know of the wireframe issue, it's been bugging me since ever. It can be
seen e.g. in ETQW on the water and in Nexuiz with GLSL enabled. I think it only
shows up on R500.

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[Bug 28860] [r300g] Yo Frankie - shaders not working: Too many instructions

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https://bugs.freedesktop.org/show_bug.cgi?id=28860

--- Comment #34 from Rubén Fernández <rubenf3000@gmail.com> 2010-11-22 17:44:34 PST ---
(In reply to comment #33)
> 1) I guess the reason the shadow is black is we don't implement
> GL_ARB_shadow_ambient. With the driver which can render the shadow correctly,
> try to set this environment variable:
> 
> MESA_EXTENSION_OVERRIDE=-GL_ARB_shadow_ambient
> 
> to temporarily disable GL_ARB_shadow_ambient, and see if the shadow becomes
> black.

The driver that renders correctly is the proprietary one, which doesn't use
Mesa variables.


> 2) I know of the wireframe issue, it's been bugging me since ever. It can be
> seen e.g. in ETQW on the water and in Nexuiz with GLSL enabled. I think it only
> shows up on R500.

I can also see it in the water in sauerbraten (although it is almost
imperceptible there); You can count on me to debug/test that.

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[Bug 28860] [r300g] Yo Frankie - shaders not working: Too many instructions

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https://bugs.freedesktop.org/show_bug.cgi?id=28860

--- Comment #35 from Sven Arvidsson <sa@whiz.se> 2010-11-24 15:09:34 PST ---
(In reply to comment #27)
> 
> The game segfaults with current git. I'll try to bisect and file a new bug for
> this regression.

Bug 31907 has been filed for this, in case anyone else has the same problem.

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[Bug 28860] [r300g] Yo Frankie - shaders not working: Too many instructions

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https://bugs.freedesktop.org/show_bug.cgi?id=28860

Marek Olšák <maraeo@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #36 from Marek Olšák <maraeo@gmail.com> 2010-11-24 16:03:21 PST ---
(In reply to comment #34)
> (In reply to comment #33)
> > 1) I guess the reason the shadow is black is we don't implement
> > GL_ARB_shadow_ambient. With the driver which can render the shadow correctly,
> > try to set this environment variable:
> > 
> > MESA_EXTENSION_OVERRIDE=-GL_ARB_shadow_ambient
> > 
> > to temporarily disable GL_ARB_shadow_ambient, and see if the shadow becomes
> > black.
> 
> The driver that renders correctly is the proprietary one, which doesn't use
> Mesa variables.

OK then, let's assume it's because GL_ARB_shadow_ambient is missing, therefore
it's not a bug, it's a feature.

> > 2) I know of the wireframe issue, it's been bugging me since ever. It can be
> > seen e.g. in ETQW on the water and in Nexuiz with GLSL enabled. I think it only
> > shows up on R500.
> 
> I can also see it in the water in sauerbraten (although it is almost
> imperceptible there); You can count on me to debug/test that.

I'd like to have a separate bug for this issue, though it's not like I know how
to fix it.

Since there is no other reported misrendering related to this bug, I am closing
it.

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